The ‘Greater Than’ sign is an example of ____ operation.

A. Arithmetic
B. Logical
C. Conditional
D. Greater
Correct answer is: B. Logical
The 'Greater Than' sign is used in logical operations to compare values.

Essential component in Database Management is:

A. Copying
B. Indexing
C. Compiler
D. Browser
Correct answer is: B. Indexing
Indexing is crucial in database management for efficient data retrieval and organization.

Increase of UV rays causes:

A. Global warming
B. Skin cancer
C. Acid rain
D. Air pollution
Correct answer is: B. Skin cancer
Increased UV radiation is linked to skin cancer due to damage to skin cells.

The molten or semi-molten rock material found beneath the surface of the Earth is called:

A. Lava
B. Magma
C. Granite
D. Basalt
Correct answer is: B. Magma
Magma is molten or semi-molten rock beneath the Earth'ssurface, while lava is above the surface.

An undesirable change in the environment is called:

A. Pollution
B. Conservation
C. Erosion
D. Reforestation
Correct answer is: A. Pollution
Pollution refers to harmful or undesirable changes in the environment.

Foraminifera produces:

A. Silica shells
B. Chalk
C. Cellulose walls
D. Protein structures
Correct answer is: B. Chalk
Foraminifera, marine microorganisms, produce calcium carbonate shells that contribute to chalk formation.

Animals and plants buried under soil for millions of years are called:

A. Fossils
B. Species
C. Minerals
D. Rocks
Correct answer is: A. Fossils
Fossils are the preserved remains of animals and plants buried for millions of years.

Which particles cannot move from their place?

A. Gas particles
B. Liquid particles
C. Solid particles
D. Plasma particles
Correct answer is: C. Solid particles
In solids, particles are tightly packed and vibrate in fixed positions, unable to move freely.

Steel is a mixture of:

A. Iron and Oxygen
B. Carbon and Sulfur
C. Iron and Carbon
D. Iron and Sulfur
Correct answer is: C. Iron and Carbon
Steel is an alloy primarily composed of iron and carbon.

Kashgar is a city in which country?

A. India
B. China
C. Pakistan
D. Afghanistan
Correct answer is: B. China
Kashgar is a city in Xinjiang, China, historically significant along the Silk Road.
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